OBD-II code · Powertrain (generic)

P0246 Turbocharger/Supercharger Wastegate Solenoid "A" High

Turbocharger/Supercharger Wastegate Solenoid "A" High: the control module has detected this fault condition. This affects turbo/supercharger boost-pressure control.

Is it safe to drive with P0246?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelySolenoid circuit shorted to supply
  • Less likelyECU driver damaged

Symptoms

  • Check engine light on
  • Significant power loss / limp mode
  • Possible blue or black smoke from exhaust
  • Whistling or hissing sound from intake

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.3–2.5 h
Emissions test
Likely to fail
Parts involved
Wastegate Solenoid, Solenoid Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.